the pan. how do we know which ones to use though? >> the lighter one usually the lighter in color is -- good indication, can be used for pan frying or little higher heat meth odds and then the really extra, extra virgin one, the thicker one, the darker color is the one you want to use at the table with, the dressing or dipping. >> be careful, don't use to much. a tea spoon for a serving a table spoon for a family meal say good rule of thumb. the meal will taste slightly different with different oil. >> you have heard indoor tanning can be dangerous. there is a new study showing can lead to a different type of cancer than we first thought. it's thought that each year at least 170,000 cases of nonm era noma skin cancer is caused a indoor tanning.